{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "DNA", "cell type", "protein"], "input": "Such transcription factors play a key role in the development of the mature T-cell phenotype by functioning as 'master regulators of T-cell differentiation '."}
{"cell line": [], "DNA": [], "cell type": [], "protein": ["transcription factors"]}